Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1992-11-20
1995-03-21
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
564148, 564149, 564151, C07C24328
Patent
active
053997581
ABSTRACT:
Disclosed are a novel azide compound represented, for example, by the formula, ##STR1## wherein R.sub.f represents a fluoroalkyl or fluoroalkylpolyether group, ##STR2## wherein R represents a divalent organic group having an ester bond, and R.sub.f ' represents a fluoroalkylpolyether group, and a novel diacylhydrazine compound having a fluoroalkylpolyether group in the side chain and lubricants containing them. When this lubricant is coated onto the carbonaceous protective film of magnetic recording media and reacted by the action of light or heat, it strongly bonds or adheres to the protective film. Thus, the durability of the lubricant improves, as a result of which a high-density magnetic recording medium having a high reliability and long life can be obtained.
REFERENCES:
patent: 2990417 (1961-06-01), Carboni
patent: 5225443 (1993-07-01), Murphy et al.
Kataoka Fumio
Matsuda Saori
Miura Toshimasa
Sudo Ryoichi
Hitachi , Ltd.
Raymond Richard L.
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